code: def test_get_linked_agenda_items(self):
      json = {
          "question": [
              Token(x) for x in ["where", "is", "mersin", "?"]
          ],
          "columns": ["Name in English", "Location"],
          "cells": [["Paradeniz", "Mersin"], ["Lake Gala", "Edirne"]],
      }
      graph = TableQuestionKnowledgeGraph.read_from_json(json)
      assert graph.get_linked_agenda_items() == [
          "fb:cell.mersin",
          "fb:row.row.location",
      ]
  
imports: from __future__ import absolute_import
  from allennlp.common.testing import AllenNlpTestCase
  from allennlp.data import Token
  from allennlp.semparse.contexts import TableQuestionKnowledgeGraph
label_desc: Use image node_id 23 for calling the TestTableQuestionKnowledgeGraph obj's underlying member method code with example usage: obj.test_get_linked_agenda_items() without return types